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The EKG sensor lets students see the electrical signals generated by their hearts. After students conduct mild exercise, watch the change in data occur. Digital technology generates not only the EKG signal, but the heart rate as well. The electrically isolated input ensures student safety.
With each heart beat, the pacemaker of the heart (called the SA node) conducts electricity. The electrical current travels from the SA node in the right upper chamber of the heart down to the lower chambers, the ventricles, of the heart. The electrical activity always preceded each contraction. Electrodes placed throughout the body record the signal generated from the heart.
An EKG, also called electrocardiogram or ECG, is a reading of the electrical signal generated from the heart. The EKG shows whether the heart’s rhythm and electrical conduction is normal.
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